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United States Patent | 5,645,478 |
Edmaiston | July 8, 1997 |
A bucket elevator filter apparatus including a filter unit for removing fugitive airborne particles from air; the filter unit having an inlet for receiving air, a filtered air outlet for discharging filtered air, and a filtered particles outlet for discharging filtered particles; and structure for attaching the filter unit to the hollow casing of a bucket elevator, for forming a passageway between the interior of the hollow casing of the bucket elevator and the inlet of the filter unit, and for allowing air to pass from the interior of the hollow casing of the bucket elevator into the inlet of the filter unit.
Inventors: | Edmaiston; Fred M. (8309 Honey Hill Cove, Germantown, TN 38138) |
Appl. No.: | 717304 |
Filed: | September 20, 1996 |
Current U.S. Class: | 454/49; 55/302; 55/385.1; 55/385.5 |
Intern'l Class: | B01D 046/04 |
Field of Search: | 454/49 55/282,302,341.1,361,385.1,385.5,428,430,431,467 198/493,495 |
633995 | Oct., 1899 | Graves | 198/495. |
3097936 | Jul., 1963 | Lincoln | 55/302. |
3383840 | May., 1968 | Johnson et al. | 55/293. |
3568414 | Mar., 1971 | Wyrough | 55/302. |
4180390 | Dec., 1979 | Furstenberg | 55/385. |
5549734 | Aug., 1996 | Standard | 55/302. |